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Hi, Gary:
If you issue DSPPGM against a CLLE *PGM you will see that the number of
parameters is always set to MIN(0) and MAX(255).
So, yes, it is possible.
You need to monitor for MCH0801 to detect if an optional parameter was
not passed, e.g.:
CHGVAR VAR(&LOCALVAL) VALUE(&PARMVAL)
MONMSG MSG(D(MCH0801) EXEC(DO)
RCVMSG PGMQ(*SAME (*)) MSGTYPE(*EXCP) MSGKEY(*NONE) +
WAIT(0) RMV(*YES)
CHGVAR VAR(&LOCALVAL) VALUE(' ') /* or as needed */
ENDDO
Do this for each "optional" parameter when you try to access it in your
CLLE *PGM.
Hope that helps,
Mark S. waterbury
> On 1/21/2014 3:09 PM, Gary Thompson wrote:
I am looking at changing a local program used for FTP.
Are optional parameters possible in CLLE ?
The idea is existing programs calling this changed program
will not pass the new parameter and will not need changing.
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